#include<stdio.h>

/*int main()
{
	int a = 0;
	int b = 0;
	float f = 0.0f;
	int r = scanf("%d %d %f", &a, &b, &f);
	printf("a=%d b=%d f=%f\n", a, b, f);
	printf("r = %d\n", r);
	return 0;
}*/

int main()
{
	int a = 3;
	int b = a++;
	printf("a=%d b=%d\n", a, b);

	int c = 3;
	int d = --c;
	printf("c=%d d=%d", c, d);
	return 0;
}

